Science

Saturday, 22 November 2025
13 facts about tears
13 facts about tears
Multipurpose liquid
Associated with emotions, tears are a product of lacrimal glands, found in the eyes of most terrestrial vertebrates. Although their primary function i ...

Did you know?

Fungi
Fungi, next to animals (Animalia) and plants (Plantae), form a separate, large kingdom of eukaryotic living organisms.
They occur in all climatic zones, mainly on land, but also in water, both salty and fresh.The actual ...
Enceladus
Enceladus' atmosphere consists of water vapor (91%), nitrogen (4%), carbon dioxide (3.2%) and methane (1.7%).
Aurora
Auroras are caused by magnetic storms in the Sun.
Huge amounts of high-energy charged particles (mainly protons and electrons) are then ejected from t ...
Milky Way
In addition to the stellar halo, our galaxy is also surrounded by a halo made of hot gas, which is much more extensive than the stellar halo.
Its temperature is from 1 million to 2.5 million degrees Celsius and it extends for hundreds of thou ...
NASA
The most memorable mission of Project Mercury was Freedom 7.
The liftoff took place on May 5th, 1961. It allowed Alan Shepard Jr. to go down in history as the fi ...
Enceladus
It is the sixth-largest moon of Saturn.
Nicotine
Larger doses of nicotine cause permanent blocking of the nervous system.
Nicotine binds permanently to nicotinic receptors in nerve cells, disturbing their metabolism. Initi ...
Mushrooms
The element that distinguishes fungi from animal is the presence of cell walls and vacuoles, which in turn brings them closer to plants.
Fungi do not carry out photosynthesis, the cell walls of most fungi contain chitin, which is not fou ...
Enceladus
On February 17 and March 9, 2005, the Cassini spacecraft flew by the moon and discovered the moon's faint and thin atmosphere.
Phobos
Phobos is a very small moon. Its dimensions are 26.8 x 21 x 18.4 km.